Question: What is the question to: "Throughout the Mary Poppins series, which lasted from 1934 to 1988, Mary Shepard was the illustrator and acted as a second author."? The topic is Mary Poppins.
Answer: "When was the first Mary Poppins book written?"

Question: What is the question to: "A recurring antagonist, he is the Supreme Commander of the Confederacy of Independent Systems, a political faction of planetary systems waging war on the Galactic Republic ."? The topic is General Grievous.
Answer: "Who is General Grievous of Star Wars?"

Question: What is the question to: "The term was popularized (though not first used) by U.S. President Richard Nixon in a November 3, 1969, speech in which he said, "And so tonight—to you, the great silent majority of my fellow Americans—I ask for your support.""? The topic is Silent majority.
Answer:
"who did richard nixon refer to as the  silent majority?"